Fourth Class Friction

We had great fun in fourth class today investigating friction. We tested a variety of different surfaces to see which had the most friction. We rolled a toy car down a slope and and then measured the distance it travelled … Continue reading

Things are Heating Up in Room 4!

In Room 4, we have been very busy looking at how heat can change things.

We have discovered that when you make a solid hot, it usually turns into a liquid. We observed ice melting into water and we saw how jelly cubes melt into a liquid when you add hot water.

Because there are so many class birthdays in November in our class, we wondered if there was a way for us to melt our jelly cubes quickly. We decided to melt 6 big cubes of jelly and then melt 28 tiny jelly. We monitored our water temperature using a thermometer and we made sure that we used the same amount of water in each bowl. We all made our predictions, then our race began!

Can you guess which cubes melted faster?